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Comments

Getting to Know a Neutron Star: How Heavy Can They Be? — 2 Comments

  1. In the context of LIGO, there are some additional interesting reported results
    in terms of 40 Hz oscillations of the instrument’s 40 kg mirrors due to virtual vacuum fluctuations:

    Quantum correlations between the light and kilogram-mass mirrors of LIGO
    https://arxiv.org/abs/2002.01519

    Does this result imply that virtual vacuum fluctuations are not random by nature
    but indeed have a defined rhythm?

    • What a great question! I am not a quantum physicist, but will do my best to answer your question.
      Regarding the paper you asked about (https://arxiv.org/abs/2002.01519), their objective is to designate a new source of noise in the LIGO instrumentation. I would say, No, their result does not imply that virtual vacuum fluctuations have a defined rhythm, but rather that the complicated hardware that we humans built does. Taking this systematic source of noise into account should help to improve the signal to noise ratio of their measurement of gravity waves. I hope this helps?

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